United States. National Park Service. (2009). Final general management plan/wilderness study/environmental impact statement: Sleeping Bear Dunes National Lakeshore, Benzie and Leelanau counties, Michigan. National Park Service, U.S. Dept. of the Interior.
Chicago Style (17th ed.) CitationUnited States. National Park Service. Final General Management Plan/wilderness Study/environmental Impact Statement: Sleeping Bear Dunes National Lakeshore, Benzie and Leelanau Counties, Michigan. [Denver, Colo.]: National Park Service, U.S. Dept. of the Interior, 2009.
MLA (9th ed.) CitationUnited States. National Park Service. Final General Management Plan/wilderness Study/environmental Impact Statement: Sleeping Bear Dunes National Lakeshore, Benzie and Leelanau Counties, Michigan. National Park Service, U.S. Dept. of the Interior, 2009.